v3.25.3
Debt (Tables)
9 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2024
Debt    
Schedule of debt

​

​

​

​

​

​

​

​

​

​

​

​

    

Outstanding

​

​

​

​

​

 

​

​

principal

​

Carrying value

 

​

​

September 30, 

​

September 30, 

​

December 31, 

 

​

    

2025

    

2025

    

2024

 

​

 

amounts in millions

​

Senior Notes

​

$

600

​

 

615

 

619

​

Senior Credit Facility

​

 

368

​

 

368

 

447

​

Wells Fargo Note Payable

​

 

4

​

 

4

​

4

​

Deferred financing costs

​

​

—

​

​

(2)

​

(1)

​

Total debt

​

$

972

​

 

985

 

1,069

​

Debt classified as current

​

 

​

​

 

(4)

 

(3)

​

Total long-term debt

​

​

​

​

$

981

 

1,066

​

​

​

​

​

​

​

​

​

​

​

​

​

    

Outstanding

​

​

​

    

​

 

​

​

principal

​

Carrying value

 

​

​

December 31, 

​

December 31, 

​

December 31, 

 

​

​

2024

    

2024

    

2023

 

​

 

amounts in millions

​

Senior notes

​

$

600

​

 

619

 

623

​

Senior credit facility

​

 

447

​

 

447

 

394

​

Wells Fargo note payable

​

 

4

​

 

4

 

5

​

Deferred financing costs

​

​

​

​

​

(1)

​

(1)

​

Total debt

​

$

1,051

​

 

1,069

 

1,021

​

Debt classified as current

​

 

​

​

 

(3)

 

(3)

​

Total long-term debt

​

​

​

​

$

1,066

 

1,018

​